In the following equations given, write down suitable relationship between the variables P and Q in the form y = mx + c (straight-line graph) and identify y, x, m and c. (i) Q = ap=bp² (Ii) Q = a (p² + b²)/p (iii) 1/P + 1/Q = a (iv) P= a+Q/bQ (v) Q² = ap+bp³ (vi) Q = 2π√P/g​